Home / 103,509,777.40-155,264,666.10-101,494,238.20

Finding the Fourth Proportional to 103,509,777.40, 155,264,666.10 and 101,494,238.20

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Solution

The fourth proportional to 103,509,777.40, 155,264,666.10 and 101,494,238.20 is: 152,241,357.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,509,777.40 : 155,264,666.10 = 101,494,238.20 : x
  2. Step 2: Convert to fraction form
    103,509,777.40/155,264,666.10 = 101,494,238.20/x
  3. Step 3: Cross multiply
    103,509,777.40x = 155,264,666.10 × 101,494,238.20
  4. Step 4: Simplify right side
    103,509,777.40x = 15,758,469,005,196,864
  5. Step 5: Solve for x
    x = 15,758,469,005,196,864/103,509,777.40
  6. Step 6: Final answer
    x = 152,241,357.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.